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  • Sapphire Earrings

    PLEASE VISIT DELEUSE.COM TO SHOP ONLINE Gem Sapphires chosen by Jeff Deleuse, Graduate Gemologist Hand-fabricated 18k settings Shop online deleuse.com or stop by our store in Tiburon, CA SaveSave SaveSave SaveSave SaveSave

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  • Jeff Deleuse, Diamond Broker, Specialist in Diamonds

    PLEASE VISIT DELEUSE.COM TO SHOP ONLINE  Jeff Deleuse, Graduate Gemologist and Certified Appraiser an accepted Member American Gem Trade Association, American Gem Society Specialist in Diamond Grading and Evaluation degree from the Gemological Institute, Jeff has over thirty-five years of experience in diamond appraisals and buying […]

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  • South Sea Pearls, Tanzanites and Diamonds

       PLEASE VISIT DELEUSE.COM TO SHOP ONLINE Designed by Janet Deleuse Classically elegant earrings with triangular shaped gem quality Tanzanites surrounded by perfect round diamonds, paved set into 18k gold. Three larger diamonds drops lustrous white South Sea Pearls. Pearls approximately  13.54 mm  X  13.06 […]

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  • Caribbean Blue Aquamarine

    Janet Deleuse, Member of The Contemporary Jewelry Design Group

    Janet Deleuse has been chosen to join the Contemporary Jewelry Design Group. The Contemporary Jewelry Design Group is a national organization dedicated to the promotion of creative jewelry design and committed to the highest standards of integrity and ethics in business and in design. The […]

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  • Handfabricated Platinum Gem Sapphire Ring

    PLEASE VISIT DELEUSE.COM TO SHOP ONLINE This incredibly beautiful  antique style ring is hand-pierced from a block of Platinum. Oval Gem Sapphire 8.52 carats, selected by Jeff Deleuse, Graduate Gemologist, completes the rarity of the artistically rendered ring. Round brilliant diamonds VS, EF total .41carats […]

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  • Our New Store in Fairfax, Ca

          Deleuse Jewelers has relocated to a larger space in Fairfax, Ca. Stop by our showroom at 55 Broadway, Fairfax, CA  Jeff and Janet Deleuse specialize in jewelry design and fabrication, restoration/repairs of fine jewelry and watches and appraisals.   Jeff has a workbench […]

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  • Gem Ruby Earrings

       Available  DELEUSE.COM  SHOP ONLINE Gem  Ruby Earrings Highest Quality Gem Rubies selected by Jeff Deleuse, Graduate Gemologist Approximately 2.50 carats total weight, 6.4mm round hand-fabricated 4 prong 18k gold mountings secure clutch backings for pierced ears only one pair available Shop online, deleuse.com    […]

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  • July Birthstone - Ruby

    July Birthstone – Ruby

    In 1560 Benvenuto Cellini stated  ” the price of ruby was eight times that of diamond.”  And today, ruby remains the most expensive gemstone, in sizes over three carats, rivaling the price of diamond.  Wearing a ruby was said to preserve the health of the wearer […]

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  • June Birthstone – Pearl

    PLEASE VISIT DELEUSE.COM TO SHOP ONLINE The legends of pearls have been spoken about since antiquity.  In Persian mythology, pearls were treasured as one of the most valuable of all gems, and regarded as “tears of the Gods.”  The Chinese believed that pearls were jewels […]

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  • Gold and Platinum Chain Collection

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